#app {
  background-color: pink;
  border: 1px solid black;
}

#app .container {
  font-size: 30px;
  color: blue;
}

#app .container .div {
  width: 200px;
  width: 1200px;
  background-color: green;
}

#app .container .div:after {
  content: "";
  display: table;
  clear: both;
}

#app a {
  color: red;
  text-decoration: none;
}

#app a:hover {
  color: blueviolet;
  font-size: 30px;
}

#app p {
  color: red;
  font-size: 25px;
}
